Some properties of the (ψψ)2 model in two dimensions

Edward Witten

Research output: Contribution to journalArticlepeer-review

111 Scopus citations

Abstract

We show that the two-dimensional (ψψ)2 model is, for N = 3, equivalent to the supersymmetric sine-Gordon equation, and for N = 4, equivalent to two decoupled sine-Gordon systems. In addition, we argue that the kinks of this model are isospinors, and we construct some of the higher conservation laws that are responsible for the exact solubility of this system.

Original languageEnglish (US)
Pages (from-to)285-300
Number of pages16
JournalNuclear Physics, Section B
Volume142
Issue number3
DOIs
StatePublished - Sep 25 1978
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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